Clam Chowder

3 6½ oz cansminced clams
1 cuponion (chopped)
1 cupcelery (diced)
1 cupspotatoes (cubed)
1 cupcarrots (diced)
¾ cupbutter
¾ cupall-purpose flour
1 qthalf-n-half
2 tbspred wine vinegar
1½ tspsalt
1 tspblack pepper
1Drain liquid from clams into a large skillet with the carrots, onions, celery, potatoes. Add water to cover, and cook over medium heat until tender.20 min
2Melt the butter in a large, heavy saucepan over medium heat.2 min
3Whisk in the flour until smooth. Whisk in cream until smooth.2 min
4Add vegetables and heat, but do not boil.10 min
5Remove heat and stir in clams, vinegar, salt and pepper.1 min